package com.atguigu.rabbitmq.one;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

/**
 * 消费者
 */
public class Consumer {
    // 队列的名称
    public static final String QUEUE_NAME = "hello";

    // 接收消息
    public static void main(String[] args) throws IOException, TimeoutException {
        // 创建连接工厂
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("192.168.153.129");
        factory.setUsername("admin");
        factory.setPassword("123");
        Connection connection = factory.newConnection();

        Channel channel = connection.createChannel();
        // 声明接收消息时回调
        DeliverCallback deliverCallback = (consumerTag, message) -> {
            System.out.println(new String(message.getBody()));
        };
        // 声明取消消息时回调
        CancelCallback cancelCallback = consumerTag -> {
            System.out.println("消费消息被终端");
        };
        /*
        * 消费者消费消息
        *   1.消费哪个队列
        *   2.消费成功之后是否要自动应答; true代表自动应答,false代表手动应答
        *   3.消费者未成功消费的回调
        *   4.消费者取消消费的回调
        * */
        channel.basicConsume(QUEUE_NAME, true, deliverCallback, cancelCallback);
    }
}
